CN203836691U

CN203836691U - LED lamp with bonding pad of driving board or bonding pad of connecting board being in butt welding connection with bonding pads of aluminum substrates

Info

Publication number: CN203836691U
Application number: CN201420230975.9U
Authority: CN
Inventors: 邓放明
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-08
Filing date: 2014-05-08
Publication date: 2014-09-17
Anticipated expiration: 2024-05-08

Abstract

The utility model discloses an LED lamp with a bonding pad of a driving board or a bonding pad of a connecting board being in butt welding connection with bonding pads of aluminum substrates. The LED lamp comprises the driving board or the connecting board (1) and the aluminum substrates (4). The aluminum substrates are provided with lamp beads (3), the driving board or the connecting board is provided with the bonding pads (2) which are connected with a direct-current output end, and the aluminum substrates are provided with the bonding pads which are in mirror image correspondence with the bonding pad arranged on the driving board or the connecting board, wherein the positions, the shapes and the sizes of the bonding pads are consistent with the position, the shape and the size of the bonding pad arranged on the driving board or the connecting board. After a solder coating technology is used for enabling every two bonding pads to be tightly attached face to face, a positioning heating mode is adopted, the bonding pads are melted into a whole, the two bonding pads are fused and solidified to be combined into a whole due to soldering tin on the bonding pads, and thus the aluminum substrates and the driving board or the connecting board are combined into a whole. Due to the fact that the aluminum substrates and the driving board or the connecting board are integrally connected, the connecting technology is simplified, labor hours, costs and bonding conductor materials are saved, production efficiency is improved, and manufacturing cost is lowered.

Description

The LED lamp that drive plate or connecting plate pad are connected with the butt welding of aluminium base pad

Technical field

The utility model relates to LED lamp, especially relates to the LED lamp that drive plate or connecting plate pad are connected with the butt welding of aluminium base pad.

Background technology

LED light fixture, just comes into the market with strong momentum, because its luminous efficiency is high, the environmental protection life-span is long and very popular.But it is to put the luminous and luminous heat dissipation problem bringing of concentrating, remain the problem that LED lamp generally must solve, the most simple and practical method is that SMD lamp pearl is mounted on above the aluminium base with good heat radiating function, then must adopt various connected modes that aluminium base is connected with power drives plate or the circuit board of constant current, current various connection is all by manually completing: simple LED lamp, be exactly to connect from power drives to aluminium base light source with positive and negative two wires, complicated any LED lamp, also must carry out the connection between aluminium base, some LED lamp is in order to reach the aesthetic feeling of all even outward appearances of illumination, usually adopt polylith aluminium base to splice, splicing can be plane, also can be three-dimensional, no matter how splice, between piece and piece, must there is wire to be connected, the piece number of splicing is more, the wire connecting is more.

Wire connects, to carry out above the pad arranging on aluminium base, so-called pad, be used for exactly a little copper face that covers of soldering of electronic components, pad divides porose pad and atresia pad, porose pad is used for welding the electronic component of straight cutting, atresia pad is used for soldering surface mounted element (being the welding method in SMT mounting technology), two kinds of pads can be used for welding input and output wire or connect wire, all pads are to electronic component, wire jumper, the welding of wire is all to adopt wave-soldering, immersed solder, Reflow Soldering, automation tack welding, the method of manual welding, these welding methods have also been enough between part, various connections between circuit, in the manufacturing process of multilayer circuit board, the connection between the circuit board of different aspects is concentric hole position to be set in the same position perpendicular to circuit board adopt heavy copper technology to complete connection, in some board design, because the area of plane is limited, adopt split circuit plate, on split circuit plate, golden finger pad is set, main circuit board is vertically inserted in golden finger position, with the pad vertical welding corresponding with golden finger above main circuit board, the vertical welding of this pad and pad, separate circuit boards must be two-sided, must carry out on separate circuit boards two sides, not so receptor site external force will cause sealing-off and break Copper Foil a little, in a word, being connected except the vertical welding that adopts wire to connect and narrate above between pad and pad, the butt welding of pad is never adopted and be nobody shows any interest in, this be because, butt welding is the equal of a kind of blind weldering, position correction trouble, can not directly to scolding tin, heat etc.

The simplest and the most traditional method, be exactly to take on the other hand electric iron, take on the other hand wire, point of a point goes welding, while also taking, supplement scolding tin, although there is many companies research and development scolding tin Automation of Welding machine, can only complete fixed mode weld parts, line that cannot be fixing to numerous in variety and pattern, cannot carry out the design of automation.Given this, people do not stint the sheet material of waste aluminium base and design the space of a whole page reduce connecting, for example for the annular of lamp affixed to the ceiling, and gear shape, the light source of snowflake shape, abandons many rim charges in order to reduce connection, not stint; My application number of application is " 2013204039872 ", " bonding wire LED electricity-saving lamp is exempted from no dark space " utility model, although reduced or remitted line by linking springs, in the middle of practical operation, the making of spring and placement also take labour very much.

Utility model content

For the problems referred to above, the utility model provides a kind of applicable different aluminum substrate shape to be connected with the pad butt welding on drive plate or connecting plate with structure, not only connection speed is fast, also without wire, without adding scolding tin, and firm welding, contact is good, welding efficiency is high again simultaneously, the LED lamp that time cost expense is low.

The technical scheme that the technical problems to be solved in the utility model is taked is: the LED lamp that described drive plate or connecting plate pad are connected with the butt welding of aluminium base pad, it comprises drive plate or connecting plate and aluminium base, on described aluminium base, be provided with lamp pearl, on described drive plate or connecting plate, be provided with the pad being connected with DC output end, on described aluminium base, be provided with the pad on drive plate or connecting plate and become mirror position, shape and corresponding pad in the same size, described pad butt welding connects as one, and described aluminium base is planar shaped, regular prism shape or cylindrical.

The utility model one is to be cut with Sheet Metal Forming Technology and made aluminium base form the fritter of right-angled trapezium or similar right-angled trapezium by V, aluminium base evenly radially or parallel arranged shape be arranged on drive plate or connecting plate, make LED lamp both can be made into lamp affixed to the ceiling or the panel light of plane formula; Also can cut technique by V and make aluminium base form the rectangle of bending or trapezoidal fritter mutually again connected with each other, each small rectangular or the mutual bending of trapezoidal aluminium base can be made into the LED space lamp of planar shaped and multiple solid figure; The 2nd, by pad butt welding, connect, aluminium base and drive plate or connecting plate are linked together, not only simplified connection technique, save work time cost and bonding conductor material, and improved production efficiency, reduced manufacturing cost.

Accompanying drawing explanation

Fig. 1 is that in the utility model, aluminium base and drive plate are the structural representation that plane distributes,

Fig. 2 is the A-A sectional structure enlarged diagram of Fig. 1,

Fig. 3 is that in the utility model, aluminium base is the positive eight prismatic sides expansion schematic diagrames that are connected with connecting plate,

Fig. 4 is the B-B sectional structure enlarged diagram of Fig. 3,

Fig. 5 is the another kind of structural representation of the utility model drive plate or connecting plate.

Drive plate or connecting plate 2, pad 3, lamp pearl 4, aluminium base 5, weldering circle 6, iron plate with holes in the drawings, 1.

The specific embodiment

Two embodiment of LED lamp affixed to the ceiling and LED electricity-saving lamp below:

Embodiment 1, as depicted in figs. 1 and 2, drive plate 1 in described drive plate or the connecting plate pad LED lamp affixed to the ceiling that butt welding is connected with aluminium base pad is done circular, round diameter depends on the length of aluminium base 4 and the size of lamp panel and drives the shared area of electronic component, the present embodiment 1 adopts the LED lamp affixed to the ceiling of 300mm disk 20W power, drive plate diameter is got 65mm, after arranging constant current driving electronic original part, plectane periphery also leaves the empty limit of about 6mm, ten pairs of ten assembly welding dishes that are connected with current output terminal that become respectively mirror image with aluminium base 4 butt welding pads are evenly set above circular empty limit at this, every assembly welding dish 2 is two, drive plate and every aluminium base correspondence position are set up in parallel two pads, as figure (1), described aluminium base is planar shaped, also can cut and make positive five by V, positive six or positive eight prismatic, cylindrical or conical.Ten of aluminium bases, on aluminium base, be provided with lamp pearl 3, above aluminium base, originally for " contact " position being connected with spring, be provided with equally the pad 2 of butt welding, because the pad above drive plate and " contact " above aluminium base are mirror image moulding, utilize the scolding tin being stained with above pad after drive plate or connecting plate immersed solder and the scolding tin applying with tin spray process above aluminium base pad, after two pads are adjacent to face-to-face, adopt location heating, utilize the good feature of aluminium base heat conduction, the back side of the pad locations for butt welding on be positioned at aluminium base, it is aluminium sheet face, placing one contacts good controlled thermal source and heats with aluminium base, when heating-up temperature rises to scolding tin melt temperature, scolding tin above two butt welding pads melt and be integrated, at this moment, cut off heating source, treat that it is naturally cooling, scolding tin solidifies, butt welding finishes.Cause two pads because of the melting of scolding tin above pad and solidify to be combined into integral body, thereby make aluminium base and drive plate or connecting plate be combined into integral body.As shown in the integral body that Fig. 1 and Fig. 2 weld, and be fixed to arrange and be 300mm disk central authorities, be a uniform LED lamp affixed to the ceiling of astigmatism.

Because be fitted with electronic component on drive plate or connecting plate (as power supply is controlled IC, FET etc.), for the ease of transportation and storage, by circle or polygon drive plate central authorities be equipped with the position of electronic component with around for " the empty limit " that be provided with butt welding pad of butt welding welding with slotting and stamp hole separates, to cut off stamp hole after the immersed solder cutting of electronic component, make " empty limit " become a circle or the polygonal weldering circle that is provided with butt welding pad above, weldering circle is fitted with master-slave seat above, to being housed with the central authorities that cut off, the slotting drive plate of male and female that is also equipped with of electronic component patches connection, then, rounded or the polygon of described drive plate also adopts fluting and stamp hole to separate with periphery for the empty limit of butt welding welding, after immersed solder cutting, cut off stamp hole, making sky limit is independently circular or polygonal butt welding weldering circle.So-called " empty limit " i.e. circular or polygonal weldering circle 5 that is provided with butt welding pad above, carries out butt welding welding with supporting aluminium base, and described weldering is enclosed the interval location of aluminium base above and is welded with iron plate with holes, to fix high-strength magnet, is used for adsorbing fixing.Can be welded with several iron plates 6 with holes in the room between aluminium base, this iron plate with holes, both can be used for screw and had fixed, can on iron plate, install high-strength magnet additional again, for whole light source, drive absorption on iron pan to fix, welding product thickness is out very little like this, is convenient to the shipping of lamination packing.

Embodiment 2, as shown in Figure 3 and Figure 4, connecting plate in described drive plate or the connecting plate pad LED electricity-saving lamp that butt welding is connected with aluminium base pad (circuit board connecting as butt welding specially) is made strip, rectangular is wide to hold the engaged position decision of two wire jumpers and wire jumper pad and butt welding pad, rectangular overall length is the width of aluminium base 4 and the product of aluminium base quantity in the present embodiment 2, aluminium base is square and can form positive eight prismatic by eight block lengths, one side setting of strip plate becomes mirror image with the butt welding pad of aluminium base, the pad of equal number and shape is as the pad of butt welding, another side arranges needs the wire jumper pad of going here and there and connecting between butt welding pad, in the middle of strip plate, according to the V position at quarter of aluminium base, carrying out V cuts, to can shake with the folding of aluminium base and disconnect or change into required three-dimensional shape with aluminium base after welding.Butt welding pad above aluminium base is alignd to be adjacent to the butt welding pad of circuit board top face-to-face and weld, after connecting plate is connected with aluminium base butt welding, with aluminium base, change into tubulose, and be fixed in plastics external member, connect into can a periphery luminous LED electricity-saving lamp that is different from ball bubble with driving.

So just make the soldered wires between pad make the wire jumper straight cutting above connecting plate into.Welding and straight cutting, just as the difference of spot welding and immersed solder, the latter has improved efficiency greatly, has shortened the time.

Claims

1. the LED lamp that drive plate or connecting plate pad are connected with the butt welding of aluminium base pad, it comprises drive plate or connecting plate (1) and aluminium base (4), on described aluminium base, be provided with lamp pearl (3), it is characterized in that: on described drive plate or connecting plate, be provided with the pad (2) being connected with DC output end, on described aluminium base, be provided with the pad on drive plate or connecting plate and become mirror position, shape and corresponding pad in the same size, the scolding tin being stained with above pad after drive plate or connecting plate immersed solder and the scolding tin on aluminium base pad are melted and be integrated, described aluminium base is planar shaped, regular prism shape or cylindrical.

2. the LED lamp that drive plate according to claim 1 or connecting plate pad are connected with the butt welding of aluminium base pad, it is characterized in that: the rounded or polygon of described drive plate also adopts fluting and stamp hole to separate with periphery for the empty limit of butt welding welding, after immersed solder cutting, cut off stamp hole, making sky limit is independently circular or polygonal butt welding weldering circle (5).

3. the LED lamp that drive plate according to claim 2 or connecting plate pad are connected with the butt welding of aluminium base pad, it is characterized in that: described weldering circle (5) the above interval location of aluminium base is welded with iron plate with holes (6), so that fixing high-strength magnet is used for adsorbing fixing.